1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ 2 /* QLogic qedr NIC Driver 3 * Copyright (c) 2015-2016 QLogic Corporation 4 * 5 * This software is available to you under a choice of one of two 6 * licenses. You may choose to be licensed under the terms of the GNU 7 * General Public License (GPL) Version 2, available from the file 8 * COPYING in the main directory of this source tree, or the 9 * OpenIB.org BSD license below: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * - Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * - Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and /or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 */ 33 #ifndef __QEDR_USER_H__ 34 #define __QEDR_USER_H__ 35 36 #include <linux/types.h> 37 38 #define QEDR_ABI_VERSION (8) 39 40 /* user kernel communication data structures. */ 41 42 struct qedr_alloc_ucontext_resp { 43 __aligned_u64 db_pa; 44 __u32 db_size; 45 46 __u32 max_send_wr; 47 __u32 max_recv_wr; 48 __u32 max_srq_wr; 49 __u32 sges_per_send_wr; 50 __u32 sges_per_recv_wr; 51 __u32 sges_per_srq_wr; 52 __u32 max_cqes; 53 __u8 dpm_enabled; 54 __u8 wids_enabled; 55 __u16 wid_count; 56 __u32 reserved; 57 }; 58 59 struct qedr_alloc_pd_ureq { 60 __aligned_u64 rsvd1; 61 }; 62 63 struct qedr_alloc_pd_uresp { 64 __u32 pd_id; 65 __u32 reserved; 66 }; 67 68 struct qedr_create_cq_ureq { 69 __aligned_u64 addr; 70 __aligned_u64 len; 71 }; 72 73 struct qedr_create_cq_uresp { 74 __u32 db_offset; 75 __u16 icid; 76 __u16 reserved; 77 }; 78 79 struct qedr_create_qp_ureq { 80 __u32 qp_handle_hi; 81 __u32 qp_handle_lo; 82 83 /* SQ */ 84 /* user space virtual address of SQ buffer */ 85 __aligned_u64 sq_addr; 86 87 /* length of SQ buffer */ 88 __aligned_u64 sq_len; 89 90 /* RQ */ 91 /* user space virtual address of RQ buffer */ 92 __aligned_u64 rq_addr; 93 94 /* length of RQ buffer */ 95 __aligned_u64 rq_len; 96 }; 97 98 struct qedr_create_qp_uresp { 99 __u32 qp_id; 100 __u32 atomic_supported; 101 102 /* SQ */ 103 __u32 sq_db_offset; 104 __u16 sq_icid; 105 106 /* RQ */ 107 __u32 rq_db_offset; 108 __u16 rq_icid; 109 110 __u32 rq_db2_offset; 111 __u32 reserved; 112 }; 113 114 struct qedr_create_srq_ureq { 115 /* user space virtual address of producer pair */ 116 __aligned_u64 prod_pair_addr; 117 118 /* user space virtual address of SRQ buffer */ 119 __aligned_u64 srq_addr; 120 121 /* length of SRQ buffer */ 122 __aligned_u64 srq_len; 123 }; 124 125 struct qedr_create_srq_uresp { 126 __u16 srq_id; 127 __u16 reserved0; 128 __u32 reserved1; 129 }; 130 131 #endif /* __QEDR_USER_H__ */ 132